60% (1998)

58% (1997)

48% (1998)

59% (1995)

47% (1998)

55% (1997)

65% (2000)

54% (1993)

37% (1994)

31% (1994)

63% (2001)

50% (1998)

50% (2000)

60% (1998)

49% (1992)

38% (1992)

52% (2001)

72% (1987)

36% (2022)

64% (1997)